Behind-the-neck, in-ear headphones keep pace with your active lifestyle and enhance it with quality audio Bluetooth 4.2 design pairs with compatible devices for a range of 10 to 20 metres, giving you easy wireless access to your digital library Experience clear, well-balanced sound powered by 6mm drivers In-line volume control and a built-in microphone let you conveniently handle phone calls hands-free Enjoy 8 hours of talk time and 400 hours of standby on a single charge then repower your battery in just 2 hours Rated IPX4 water and sweat resistant so you won't have to worry about giving it your all during workouts or getting caught in bad weather